HI 1.What words do I put 요 behind to do them formal? You should put 요 at the end of each sentence if you are talking with elderly people, or when you ask someone who is not acquainted with you or if he or she is older than you. 2.Do I do this with every Korean word, or is it just some words, if yes, what words is it? ~해요? ~인가요? ~에요. ~해요. ~어요. 3.Someone also told me that you will turn a sentence to formal by adding 니다 at the end of the sentence, is that correct? Either putting ~입니다 or ~합니다 can make sentence sound formal and polite. 4.Do someone have a good websites or videos I can learn this? See the videoclips on this channel by pasting the site adress below on adress bar. http://www.youtube.com/watch?v=4XodmHY5O_Q http://www.youtube.com/watch?v=Tt95XA3W6Fo&feature=fvwrel

You put 요 after each sentence no matter what the word is. talktomeinkorean.com Listen to all the lessons there and you'll learn.